ZCZC
WEZS42 PHEB 290626
TIBPPG

ASZ001>003-290826-

TSUNAMI INFORMATION STATEMENT NUMBER 1
NWS PACIFIC TSUNAMI WARNING CENTER EWA BEACH HI
726 PM SST WED JUL 28 2021

...POSSIBLE TSUNAMI THREAT FROM A DISTANT EARTHQUAKE...


AUDIENCE
--------
EMERGENCY MANAGERS... MEDIA... GENERAL PUBLIC


EVALUATION
----------

  * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.1 OCCURRED IN
    THE ALASKA PENINSULA AT 716 PM SST ON WEDNESDAY JULY 28
    2021.

  * THE TSUNAMI THREAT TO AMERICAN SAMOA FROM THIS EARTHQUAKE IS
    STILL UNDER INVESTIGATION.


RECOMMENDED ACTIONS
-------------------

  * STAY ALERT FOR FURTHER INFORMATION.  THERE IS THE POSSIBILITY
    THAT A TSUNAMI WATCH... ADVISORY... OR WARNING COULD BE
    ISSUED LATER FOR AMERICAN SAMOA.


POTENTIAL IMPACTS
-----------------

  * POTENTIAL TSUNAMI IMPACTS ARE STILL BEING EVALUATED.

  * IF THERE IS A TSUNAMI THREAT TO AMERICAN SAMOA... THE
    EARLIEST IMPACTS WOULD BE AROUND 430 AM SST ON THURSDAY JULY
    29 2021.


PRELIMINARY EARTHQUAKE PARAMETERS
---------------------------------

  * MAGNITUDE      8.1
  * ORIGIN TIME    716 PM SST JUL 28 2021
  * COORDINATES    55.5 NORTH  157.9 WEST
  * DEPTH          11 MILES
  * LOCATION       ALASKA PENINSULA


NEXT UPDATE AND ADDITIONAL INFORMATION
--------------------------------------

  * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF
    THE SITUATION WARRANTS.

  * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND ON THE
    INTERNET AT WWW.TSUNAMI.GOV.

  * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S.
    GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT
    EARTHQUAKE.USGS.GOV.

$$



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